AirHint found the following cheapest return flights from Colombo (CMB) to Karachi (KHI) in August 2025 (see full year).

Return flights

13 Aug - 20 Aug	IndiGo
11 Aug - 18 Aug	IndiGo
09 Aug - 16 Aug	IndiGo
08 Aug - 15 Aug	IndiGo
10 Aug - 17 Aug	Air India
07 Aug - 14 Aug	Air India
06 Aug - 08 Aug	Etihad Airways
07 Aug - 09 Aug	Etihad Airways

Also check the deals for one-way flights from Colombo to Karachi in August.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Colombo to Karachi in August from 445€

Return flights